Bucket is a MediaWiki extension to store and retrieve structured data on articles. Prior to 2.1.1, a stored XSS can be inserted into any Bucket table field that has a PAGE type, which will execute whenever a user views that table's corresponding Bucket namespace page. This vulnerability is fixed in 2.1.1.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 10 Mar 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Weirdgloop
Weirdgloop mediawiki-extensions-bucket
Vendors & Products Weirdgloop
Weirdgloop mediawiki-extensions-bucket
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 09 Mar 2026 23:15:00 +0000

Type Values Removed Values Added
Description Bucket is a MediaWiki extension to store and retrieve structured data on articles. Prior to 2.1.1, a stored XSS can be inserted into any Bucket table field that has a PAGE type, which will execute whenever a user views that table's corresponding Bucket namespace page. This vulnerability is fixed in 2.1.1.
Title Stored XSS on Bucket namespace pages
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-03-10T13:52:52.786Z

Reserved: 2026-03-07T16:40:05.884Z

Link: CVE-2026-30917

cve-icon Vulnrichment

Updated: 2026-03-10T13:52:49.182Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-03-10T17:40:15.517

Modified: 2026-03-11T13:53:47.157

Link: CVE-2026-30917

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-03-10T14:06:27Z

Weaknesses